CVE-2016-5736

high F5
CVSS v3 Base Score
7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
1.1%
Exploitation probability in 30 days
Top 22% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
None
Integrity
None
Availability
High
Published: August 19, 2016 (3554 days ago)
Last Modified: May 6, 2026
Vendor: F5
Source: NVD

Description

The default configuration of the IPsec IKE peer listener in F5 BIG-IP LTM, Analytics, APM, ASM, and Link Controller 11.2.1 before HF16, 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1, and 12.x before 12.0.0 HF2; BIG-IP AAM, AFM, and PEM 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1, and 12.x before 12.0.0 HF2; BIG-IP DNS 12.x before 12.0.0 HF2; BIG-IP Edge Gateway, WebAccelerator, and WOM 11.2.1 before HF16; BIG-IP GTM 11.2.1 before HF16, 11.4.x, 11.5.x before 11.5.4 HF2, and 11.6.x before 11.6.1; and BIG-IP PSM 11.4.0 through 11.4.1 improperly enables the anonymous IPsec IKE peer configuration object, which allows remote attackers to establish an IKE Phase 1 negotiation and possibly conduct brute-force attacks against Phase 2 negotiations via unspecified vectors.

CWE

CWE-284

Affected Products

f5 big-ip application acceleration managerf5 big-ip webacceleratorf5 big-ip analyticsf5 big-ip domain name systemf5 big-ip edge gatewayf5 big-ip access policy managerf5 big-ip local traffic managerf5 big-ip advanced firewall managerf5 big-ip websafef5 big-ip policy enforcement manager

References

🔗 www.securitytracker.com 🔗 support.f5.com 🔗 www.securitytracker.com 🔗 support.f5.com